Re: [PATCH 0/7] dmaengine:omap-dma: Linked List transfer for slave_sg

Russell King - ARM Linux
2016-07-18T10:31:37Z

On Thu, Jul 14, 2016 at 03:42:35PM +0300, Peter Ujfalusi wrote:
> Hi,
>
> The following series with the final patch will add support for sDMA Linked List
> transfer support.
> Linked List is supported by sDMA in OMAP3630+ (OMAP4/5, dra7 family).
> If the descriptor load feature is present we can create the descriptors for each
> SG beforehand and let sDMA to walk them through.
> This way the number of sDMA interrupts the kernel need to handle will drop
> dramatically.

I suggested this a few years ago, and I was told by TI that there was
no interest to implement this feature as it had very little performance
effect. Do I take it that TI have changed their position on this
feature?

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